Perhaps you should try some spelling variations:
основеіе\\" » основі\\" (Expand Search), основе\\" (Expand Search), основні\\" (Expand Search), основіеіе\\" (Expand Search), основееіе\\" (Expand Search)
основеіеіе\" » основііе\" (Expand Search), основеіе\" (Expand Search), основнііе\" (Expand Search), основіеіеіе\" (Expand Search), основееіеіе\" (Expand Search)
основіні\\" » основні\\" (Expand Search), основі\\" (Expand Search), основііні\\" (Expand Search), основеіні\\" (Expand Search)
основ\\" » основі\\" (Expand Search), основе\\" (Expand Search)

You may be able to get more results by adjusting your search query.

• The words AND, OR and NOT may confuse the search; try adding quotes: "\"\\"((\\\"ґрунтова ((основеіе\\\" OR основіні\\\") OR основеіеіе\\")) OR (\\\"ґрунтова основ\\\"))\\"\"".
• Removing quotes may allow a broader search: ((\ ґрунтова ((основеіе\ OR основіні\ ) OR основеіеіе )) OR (\ ґрунтова основ\ )).